Essentials of Biology (5th International Edition)
Essentials of Biology (5th International Edition)
5th Edition
ISBN: 9781259660269
Author: Sylvia S. Mader, Dr., Michael Windelspecht
Publisher: Mcgraw-Hill
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Chapter 19.2, Problem 1LO
Summary Introduction

To discuss:

The importance of the sponges and cnidarians in the evolution of the animals.

Given:

The sponges and cnidarians are important in the evolution of the animals.

Introduction:

The sponges and cnidarians are the first two groups of invertebrate animals. The sponges and cnidarians are simple animals with some differences in the cellular level of organization.

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Essentials of Biology (5th International Edition)

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